Efficient Quantum Memory Using a Weakly Absorbing Sample

被引：162
作者：
Sabooni, Mahmood [1 ]
Li, Qian [1 ]
Kroll, Stefan [1 ]
Rippe, Lars [1 ]
机构：
[1] Lund Univ, Dept Phys, SE-22100 Lund, Sweden
来源：
PHYSICAL REVIEW LETTERS | 2013年 / 110卷 / 13期
基金：
瑞典研究理事会;
关键词：
FREQUENCY STABILIZATION; ATOMIC ENSEMBLES; PHOTONIC QUBITS; LINEAR OPTICS; LIGHT; CAVITY;
D O I：
10.1103/PhysRevLett.110.133604
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A light-storage experiment with a total (storage and retrieval) efficiency eta = 56% is carried out by enclosing a sample, with a single-pass absorption of 10%, in an impedance-matched cavity. The experiment is carried out using the atomic frequency comb (AFC) technique in a praseodymium-doped crystal (0: 05% Pr3+: Y2SiO5) and the cavity is created by depositing reflection coatings directly onto the crystal surfaces. The AFC technique has previously by far demonstrated the highest multimode capacity of all quantum memory concepts tested experimentally. We claim that the present work shows that it is realistic to create efficient, on-demand, long storage time AFC memories. DOI: 10.1103/PhysRevLett.110.133604
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页数：5
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